H. Sun

collaborators

3 papers

hep-ex2026

Amplitude analysis and branching fraction measurement of the decay $D^{0} \to K^{+} K^{-} I ¨ ^{0} I ¨ ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +770

An amplitude analysis of the singly Cabibbo-suppressed decay $D^{0} \to K^{+} K^{-} I ¨ ^{0} I ¨ ^{0}$ is performed, for the first time, to determine the relative magnitudes and phases of differ…

hep-ex2026

Search for a massless particle beyond the Standard Model in the $Ξ^{0} \to Λ + invisible$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +770

A search for a massless beyond-standard-model particle is performed in the decay $Ξ^{0} \to Λ + invisible$ using $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected with…

hep-ex2025

Observation of the charmonium decay $I^\cdot_{c} \to I^^{3} I^^{3}$ in $J / I ¨ \to I^^{3} I^\cdot_{c}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +662

Using $(2712.4 \pm 14.3) \times 1 0^{6}$ $I ¨ (3686)$ events collected with the BESIII detector at the BEPCII collider, the decay $I^\cdot_{c} \to I^^{3} I^^{3}$ in $J / I ¨ \to I^^{3} I^\cdot_{c}$ is observed. We determin…

Amplitude analysis and branching fraction measurement of the decay D0→K+K−I¨0I¨0

Search for a massless particle beyond the Standard Model in the Ξ0→Λ+invisible decay

Observation of the charmonium decay I^⋅c​→I^3I^3 in J/I¨→I^3I^⋅c​

Amplitude analysis and branching fraction measurement of the decay $D^{0} \to K^{+} K^{-} I ¨ ^{0} I ¨ ^{0}$

Search for a massless particle beyond the Standard Model in the $Ξ^{0} \to Λ + invisible$ decay

Observation of the charmonium decay $I^\cdot_{c} \to I^^{3} I^^{3}$ in $J / I ¨ \to I^^{3} I^\cdot_{c}$